SHELLCODE: Metasploit x86/alpha_upper Encoder Routine Over HTTP-STC
This signature detects payloads being transferred over network that have been encoded using x86/alpha_upper encoder routine. This may be an indication of someone trying to evade anti-virus/IPS solutions and possibly drop malicious code.
Extended Description
Integer overflow in DUNZIP32.DLL for Microsoft Windows XP, Windows XP 64-bit Edition, Windows Server 2003, and Windows Server 2003 64-bit Edition allows remote attackers to execute arbitrary code via compressed (zipped) folders that involve an "unchecked buffer" and improper length validation.
Affected Products
Microsoft windows_xp
References
CVE: CVE-2004-0575
URL: http://www.rapid7.com/db/modules/encoder/x86/alpha_upper http://www.coresecurity.com/content/ms-visio-dxf-buffer-overflow https://www.exploit-db.com/moaub-8-microsoft-office-visio-dxf-file-stack-overflow/ http://www.pwnag3.com/2012/08/actfax-local-privilege-escalation.html http://secunia.com/advisories/51725/ http://www.senseofsecurity.com.au/advisories/SOS-09-008 http://proforma.real.com http://www.corelan.be:8800/index.php/forum/security-advisories/corelan-10-062-stack-buffer-overflow-in-nuance-pdf-reader-v6-0/ http://www.vupen.com/english/advisories/2011/0255
Short Name
SHELLCODE:X86:ALPHA-UPPER-80S
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
SHELLCODE
Keywords
CVE-2004-0575 Encoder HTTP-STC Metasploit Over Routine bid:11382 bid:46059 bid:49924 x86/alpha_upper
Release Date
07/21/2014
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3761
False Positive
Unknown
Vendors
Microsoft